Finite Group Databasebeta
Cayley diagram

C2×#2794 #52239

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2794

Subgroups

subgroupG/H
center, socle, prime radicalC24C24
commutator, Frattini, cosocleC23C25
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

883 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 5 generators on 26 points:

(1,2);(3,4)(5,9)(6,7)(8,10)(12,15)(13,17)(19,20,23,25)(21,22,24,26);(4,7)(8,9)(11,12,14,15)(13,18,17,16)(19,21)(20,22)(23,24)(25,26);(3,5,6,10)(4,8,7,9)(19,22)(20,24)(21,25)(23,26);(3,4)(5,8)(6,7)(9,10)(11,13,14,17)(12,16,15,18)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131560, C2×#12142, C2×#12236, …
maximal normal subgroup of#131560, C2×#12142, C2×#12236, …
maximal quotient ofC2×#14414, C2×#14424, C2×#14480, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45227);